Troubleshooting; Temperature Sensor Failure; Protection Of Oil Temperature Too High - Haier AV08NMSETA Service Manual

14. Troubleshooting

[20~24] Temperature sensor failure

If sensor terminal is fixed well

[27] Protection of oil temperature too high

Yes
If sensor resistor
/characteristic is proper
Yes
Check if PCB is faulty,
if yes, replace it
If sensor terminal is fixed well
Yes
If sensor resistor
/characteristic is proper
Yes
If the system is lack of
refrigerant
No
Replace connecting board
No
Reconnect
No
Replace sensor
No
Reconnect
No
Replace sensor
Yes
Charge refrigerant
59 59